PROCESS OF MAKING A WHEEL AND AN OBTAINED WHEEL

Abstract: The present patent relates to the process of constructing a wheel and obtained wheel, formed essentially by a rim (100) provided with hole for the valve (105); regions for supporting the tire and internal extreme flanges (157) and external disk (101), in which are expected: ventilation openings (102); fixing holes (103) and central holes (104); said process forming the construction of the wheel from a unique part (blank) circular (150), conformed by an adequate sequence of pressing and dressing operations, that form a wheel, formed by a rim (100) and a disk (101) obtained in a unique part.

Description: Descriptive report of the Invention Patent "PROCESS OF MAKING A WHEEL AND AN OBTAINED WHEEL". The present invention refers to a process of making a wheel used in automotor vehicles, as well as the wheel obtained by such process, belonging to the ground of the vehicle parts and which was developed to facilitate the making and tecnically improve this import part of an automotor vehicle. Therefore, the process, object of the present patent, is characterized by the making of wheels made from a unique part, by a sequence of steps of pressing and factoring, in spite of the well-Known processes, in which the wheel is obtained through the soldering of the disk and the rim that are pressed and soldered isolatedly. The process, object of the invention presents the following advantages relatedly to the state of technic: -There is no solders, avoiding the gathering of residual tensions in the beginning and ending of the solders string,-Wheel weight rediction in approximatedly 10%; -best ventilation in the braking system of the vehicle. -Makes the wheel stronger. -Fewer quantity of operations to the making of the wheel, -abserce of the groove for lodging the disk valve. In order to make the differences more evident and the advantages of the process, object of the present invention in relation to the conventional, it is described as follows, at illustrative and non-restricted title, the conventional processes and object of the present invention, used in three versions of wheels, identified with the letters a, b and c, and illustrated in the endosed drawings, so that the numbers of identification of the figures of the drawings and the descriptive report identifies the sequence of operation that make the process. The wheel a, b and c exemplified, have all typical construction normally found and the greatest part of the wheels , that is, are made of a rim 100 in whid the tire is assembled and in the external extremity of which an external disk 101 is incorporated, in which the opening ventilation 102 are expected, receptor holes 103, receptors of the fixing screw and central opening 104, being expected the hole 105 of fixing the tire valve (unique fig. page 6). Example 1 Wheel version A (a wheel) 1- Conventional Process - illustrated on pages 1 through 6 of illustration. Sequence of operations l.A - Component: rim - illustrated on pages 1 and 2 of illustration. 1- Unwind and cut platinum. After the steel plate is unwinded it is cut in a way as to make a rectangular plaque 120 with pre established dimensions, according to the wheel to be produced, . 2- Calender the steel plate (enroll). Enroll the steel plate 120 in a cylindrical way preparing it for soldering. 3- Solder the calendered steel plate. Soldering 121 of the calendered steel plate 120 forming a solid cylinder 122. 4- Cut solder Removing of the excess that is made of solder 121. 5- Curve Drill back for the dressing according to which, the cylinder 122 has the wall with a curved reentering convex 123. 6- Dressing First dreessing operation, in which inverted folds 124 are formed of the convex of the wheel. 7- Dressing Second dressing operation, where other inverted folds 124 are made. 8- Dressing Third dressing operation, where other inverted folds 124 are made. 9- Calibrate by expanding. Regulate the rim concentering. 10 - Cut and cant 125 the hole 105 to the assembling of the valve in the rim. l.B- Component: disk - illustrated on pages 3 and 4 of the illustrations. 1- Unwind and cut. Unwind the steel plate and cut a plaque in a rectangular form 130 having wide ness in previous stablished dimension, according to the wheel to be produced. 2- Cut the platinum and draw back. Cut the platinum 130 and draw back, first operation, providing the same form substantial of a conic piece 131. 3- Draw back (estamp) Draw back of the second operation, in which the part assumes a final form of a conic piece 131. 4- Cut the pre-hole Cut 132 the central pre-hole 104 of the disk. 5- Cut and cant ventilation holes. Effect the driling 133 of the ventilation holes 102 and cant. 6- Cut the groove. Cut 134 the groove to allow the passage of the valve 105. 7- Cut the fixing holes. Effect the cutting 135 of the fixing holes 103 of the disk to the cube of the vehicle. 8- Recut the central hole Recut the central hole 102. 9- Beat the plan Beat the plan 136 of the edge of the disk. 10- Dressing Dress the central hole and the external diameter of the disk. l.C- Group: Wheel - illustrated on page 5 of the illustration. 1- Assembling Put the disk 101 on the rim 100 dot and form the wheel. 2- Soldering Soldering operation 137 on the external surface of the wheel. 3- Chip off the solder Chip off and finishing dressing. The obtained wheel is as it is illustrated on page 6 unique figure - that is, formed by the rim 100 whose internal surface expects top solder 138 and in the external face the 05 anterior disk is connected 101 through external soldering 137. II- Process, object of the invention - illustrations. Sequence of operation 1- Cut plate in Blank (Platinum) 10 Get a cut plate in circular form 150 with pre-estableshed dimensions, according to the wheel to be produced. 2- Draw back Draw back which includes: A perphercal adequate strip 151 of the circular plate 150, 15 according to an empty cylindrical piece 152, which will form the rim 100 and a central region 153 of the circular plate 150 according to a piece conic-form piece 154, which will form the external disk 101 and which is bulged and in this stage, it is projected out of the empty cylindrical 20 piece 152; Said cylinbdrical pieces 152 and in conic form 154 have dimensions and the draw back may nied one or more drawing back operation, in accordance with the configuration of the wheel to be produced. 253- Curve Operation effected in order to prepare the wheel to the outline operation and in which the cylindrical piece 152 is conformed such as it presents a curve longitudinal outline and reentering 155. 304- Drill back First drillifg back operation, in which are conformed and for start the conformation, in the cylindrical piece with reentering curve outline 152-155, folds 156 and internal external 158. 355- Drill back Second drilling back operation, in which they are and\or continue to be conformed the folds 156 and flanges 157 and 158. 6- Drill back 40 Third drilling back operation, in which they are and/or continue to be conformed the folds 156 and flanges 157 and 158. 7- Draw back Draw back of conformation and dimensioning 159 of the disk 45 101 of the wheel - depending on the configuration of the wheel, this drawing back may need more than one drawing back operation. 8- Final draw back Draw back which grants final configuration of the wheel. 509- Calibrate Calibrating operation of the concentering of the wheel. 10- Cut central hole. Effect the operation 160 to open the central hole 104. 11- Cut and cant fixing holes 55 -Effect the drilling 161 of the fixing holes 103 of wheel in the cube of the vehicle. 12- Cut the ventilation holes Effect 162 the drilling of the ventilation holes 102. 13- Cut and barb the hole of the valve. Drill and barb 163 the hole 105 for the fixing of the valve. The obtained wheel is like the illustrate in the unique figure on page 10, that is, formed by a rim 100, in around which the tire is assembled and provided with: a reentering outline 155, whose intermediate region is escalonated 156 and receives the pneumatic; the extremities have internal extreme flanges 157 and external 158 to the contention of pneumatic is expected a fixing hole 105 of the valve of the tire and by an external disk 101, in which are expected: ventilation holes 102; fixing holes 103 to the cube of the vehicle 103 and central 104, so that said rim 100 and external disk 101 are in a unique part. Example 2 Wheel version B (D,C 15o.) This wheel presents the intermediate region of the rim 100, in which the tire is assembled, provided with inclinate regions about 15o. degress in relation to the geometric axle of the wheel, in order to supply the technical necessities relating to the tire which is to receive it. 1 - Conventional Process - illustrated on pages 11 through 15 of the illustration pages. Sequence of operations - the sequence of operations is substantially equal to the example 1 and in order not to make the Report very long it is described briefly. l.A - Component: a 15o. degress rim - illustrated on pages 11 and 12 of the illustrations. 1 - Unwind and cut the Platinum After the plate is unwinded it is cut in previous established dimensions. 2 - Calender the plate (enroll) Calender the plate in a cylindrical way preparing it for the soldering. 3 - Solder the calendered plate soldering of the calendered plate, forming a solid cylinder. 4 - Recept solder 5 - Curve Drawing back for drilling back. 6 - Drilling back First drilling back operation. 7 - Drilling back Second drilling back operation. 8 - Drilling back Third drilling back operation. 9 - Calibrate Calibrate operation as to get the concentricity of the rim right. 10 - Draw back, cut and calender drills for the valve Draw back, cut and calender the drill for the assembling of the valve on the rim. l.B - Component: Disk - illustrated on page 13 of the illustrations. 1 - Plate in cut blank Plate cut in previous established dimensions. 2 - Draw back (stretching) Drawing back operation obtained through stretching. 3 - Stamp the holes (fixing and central holes) Effect the fixing central disk and fixing hole drilling. 4 - Stamp and recut the ventilation holes. Effect the ventilation holes drilling and recut them. 5 - Enlarge the fixing holes Obtain the final dimensions of the disk fixing holes. l.C - Group: Wheel - illustrated on page 14 of illustrations. 1 - Assemble Effect the assembling of the disk on the rim and form a wheel. 2 - Soldering internal soldering operation of the wheel. 3 - Dressing of supporting surface and central hole. Dressing defining plainicity of the supporting surface and final diameter of the central hole. The obtained wheel is like the one illustrated on the unique figure on page 15 of illustrations. 2 - Process object of invention. - illustrated on pages 16 through 19 of illustrations. Sequence of operations 1 - Plate in blank cut (Platinum) To obtain a cut plate in a circular form and previous established dimensions as the wheel to be produced. 2 - Draw back Conformation drawing back and dimensioning, in which the circular plate is conformed according to a solid revolution compound conic piece - depending on the configuration of the wheel this draw back may need more than one drawing back oparation. 3 - Stretching In which the section (thickness) and the largeness of the piece is altered. 4 - Curve Operation effect in order to prepare the wheel for the drilling back operations. 5 - Drilling back First drilling back operation 6 - Drilling back Second drilling back operation. 7 - Drilling back Trird drilling back operation. 8 - Calibrate Calibrating operation of the concentricity of the wheel. 9 - Cut the hole of the valve Effect the drilling of the hole to fix the valve. 10 - Stamp the central hole and the fixing hole of the whee1. 11 - Stamp the ventilation holes Effect the drilling of the ventilation holes, and if necessary effect the recutting operation. 12 - Enlarge the fixing holes Obtain the final dimensions of the fixing holes of the wheel. 13 - Cant the fixing holes Effect the canting on the fixing holes. 14 - Dressing of supporting surface and central hole. Dressing defining plainicity of the supporting surface and final diameter of the central hole. The obtained wheel gets a configuration as shown on page 19 of the illustrations. Then said wheel is made, substantially: By a rim 100 provided with: Curve reentering intermediate staggering region 155 - 156, in which extreme strips are expected for supporting the tire exposed at 15 degrees in relation to the geometric exle of the wheel; By a fixing hole of the valve 105 and by internal extreme flanges 157 and external ones 158 by the contention of the tire and by an external disk 101 provided with ventilation holes 102; by fixing 103 and central 104 so that said rim 100 and disk 101 are in unique part. Example 3 Wheel version of wheel has the rim 100 containg supporting regions for the tire inclinated at 5o. degrees in relation to the geometric axle of the wheel to attend technical demandings related to the tire which is fixed to the same. 1 - Conventional Process - illustrated on pages 20 througt 23 of illustrations. Sequence of operations In this case also, the sequence of operations is substantially like the one in example 1 and in order not make this report two long it is briefly described. l.A - Component: rim 5o. degrees - illustrated on page 20 of illustrations: 1 - Unwind and cut the Platinum After the plate is unwinded it is cut in previous established dimensions. 2 - Calender the plate (enroll) Enroll the plate in a cylingrical way preparing it for the soldering. 3 - Solder the calendered plate Soldering of the calendered plate forming a solid cylinder. 4 - Recut the solder Trimming (removing) of the excess formed by the solder. 5 - Curve (pre-rim operation) Drawing back with forms and dimensions preparing the rim for the drilling back. 6 - Stretching Alter the section and wideness of the rim. 7 - Drilling back operation to get the defined form of the outline of the rim. P.S. The operations 5 and 7 may be repeated depending on the configuration of the rim. 8 - Calibrate/drill Operation for calibrating the rim and drill a groove for the valve. l.B - Component: Disk illustrated on page 21 illustrations. 1 - Cut plate in black A plate cut in previous established dimensions. 2 - Drawing back Drawing back operation obtained through stamping. 3 - Stamp drills (fixing and central holes) Effect the drilling for the fixing holes and the center of the disk. 4 - Stamp and recut The ventilation holes Effect the drilling of the ventilation holes and recut them. 5 - Dressing the scene for the soldering Dress the area for assembling and soldering and stamp the groove or soldering. l.C - Group: Wheel 5o. degress illustrated on page 22 illustrations. 1 - Assemble Put the disk in the rim and form a wheel. 2 - Solder Internal and external soldering operation of the wheel. 3 - Enlarge the fixing holes Obtain final dimensions of the fixing holes of the wheel. 4 - Recut the fixing holes elaborate the recut of the fixing holes. 5 - Dressing of the supporting surface and central hole. Dressing defining the plainicity of the supporting surface and final diameter of the central hole. 2 - Process, the object of the invention - illustrated on pages 24 through 26 of illustrations. Sequence of operations 1 - Cup plate in blank (plan inum) Obtain a cut plate in circular form and previous established dimensions. 2 - Draw back Drawing back of conformation and dimensioning which provides the circular plate with the substantial configuration of a solid of revolution - cylinder - depending on the configuration of the wheel this drawing back may need more than one drawing back operation. 3 - Stretching In which the section (thickness) and the largeness are altered, according to the wheel to be produced. 4 - Draw back the flange Draw back forming an outline of the internal flange 157 in the region of the cylindrical piece 152, which will form the rim 100. 5 - Drilling back operation to get the defined form in the project. 6 - Calibrate calibrating operation of the concentrecity the wheel. 7 - Cut the groove of the valve Effect the cut of the groove in order fo fix the valve. 8 - Stamp the central holes. Stamp the central hole and the fixing holes. Stamp the central hole and the fixing holes of the wheel. 9 - Stamp the ventilation holes Effect the drilling of the holes of ventilation, and if necessary effect the recut operation. 10 - Enlarge and recut the fixing holes. Obtain the final dimensions of the fixing holes of the wheel. 11 - Dressing the supporting surface and central hole The obtained wheel has the configuration of the unique figure on page 25 of the illustrations the wheel is fkrmed by, essentially, a rim 100 and an external disk 101 in a unique piece. From the comparison among the conventional processes and object of the invention, hereinabove described, the differences and advantages of this in relation to the others, are evident, as it was said before. There fore, the process, object of the present invention, is formed by, essentially, the following stages: 1 - Obtaining the cut plate in blank (platinum) 1.1 - Operation in which a plate is cut in circular form 150 with previous established dimensions, according to the wheel to be produced. 2 - Conformation of the rim 2.1 - Draw back, in which: a perpherical strip 151 of the circular plate 150 is conformed on order to form a first axial piece in a solid of revolution form cylinder or conic piece - empty 152, which will make the rim 100 and a central region 153 of the circular plate 150 is conformed in order to make a second radical piece in the form of a solid of revolution - conic piece -154, which will make the external disk 101, bulged from the axial piece 152; said axial pieces or pre rim 152 and radical or pre disk 154 have dimensions and the drawing back may need one or more drawing back operations, according to the configuration of the wheel to be produced. 2.2 - Curve, in which the pre rim 152 is prepared for the drilling back operations and conformed as to present a longitudinal outline which is curve and reentering 155. 2.3 - Drilling back, in which various drilling back operations can be expected, that conform intermediate fold- in 156 and internal extreme flanges 157 and external 158 on the pre rim 152, with reentering curve outline 155. 3 - Conformation of the disk 3.1 - Drawing back, in which the pre disk 154, which will make the disk 101, is conformed and dimensioned 159 according to the project - depending on the cgnfiguration of the wheel this drawing back may need more than one drawing back operation. 4 - Final drawing back 4.1 - Drawing back, in which the final conformation of the wheel is made. 5 - Calibrate 5.1 - Operation, in which the calibration of the concentrencity of the wheel is made. 6 - Opening of holes 6.1 - Open central holes, operation in which the opening is made 160 of the central hole 104. 6.2 - Open fixing holes, operation in which the opening 161 is made of the fixing holes 103, of the wheel in cube of the vehicle. 6.3 - Open ventilation holes, operation in which the opening 162 is made, of the ventilation holes 102. 6.4 - Open the hole of the valve, operation in which the opening 163 is made, of the hole for the fixing of the valve 105. It may be a part of the process, after the drawing back 2.1 of the stage of conformation of the rim 2, stage of stretching, in which the section (thickness) and the wideness of the first axial piece 152, which will make the rim 100 of the wheel, are altered. The opening operations 160 of the central hole 104; 161 of the fixing holes 103; 162 of the ventilation holes 102 and 163 of the hole of the valve 105 can be made by any adequate means, as: stamping, cuting and others and receive adequate finishing operations as: dressing to definie the plainicity of the supporting surface and internal diameter, in case of the opening operation 160 of the central hole 104; recut for the enlargement and canting in case of opening operation 161 of the fixing holes 103; recutting on the cases of operation of the opening 162 and 163 of the ventilation holes 102 and of the valve 105. It can be expected a specific stage of conformation of the internal flange 157. Such stages that make the process of making the wheel, depending on the configuration of this and of relating factors to the means of producing, they may have their positions altered in the sequence of operations that make the process, and for be made isolatedly and/or together with other stages and/or be implemented according to other arrangements, in order to improve and/or make the process easier. Obviously, in the basic conception, described hereinabove, various modifications are possible in the processes, in function of the available equipment, or in function of other types of wheels to be produced, as well as these can have different configurations and dimentions, without running away from the protection of the patent.

Claims: CLAIMS 1 - Process of constructing a wheel, this is formed by, essentially a rim (100), around which a tire is assembled and provided with: a hole for the valve (105); regions for 05 supporting the tire, that may have different inclinations in relation to the geometric axle of the wheel and external extreme flanges (157) and external (158) contention of the tire and by an external disk (101), in which are expected:opening ventilations (102); fixing holes (103) and 10 central holes (104), characterized by foreseeing the costruction of the wheel from a unique (blank) circular part (150), formed by a sequence of pressing and dressing operation, forming stages of. 1. Obtaining the plate in cut blank (platinum) 15 1.1 - Operation in which a plate is cut in circular form (150) with previous established dimensions, according to the wheel to be produced. 2. - Conformation of the rim 2.1 - Draw back in which: 20 an adequate perphercal strip (151) of the circular plate (150) is conformed in order to make a first axial piece in the form of a solid of revolution cylindrical or conical piece empty (152), which will make the rim (100) and a central region (153) of the circular plate (150) is 25 conformed in order to make a second radical piece in the form of a solid of revolution - conical piece (154), which will make the external disk (lθl)bulging from the axial piece (152); said axial or pre rim (152) and radical or pre disk (154) pieces, have dimensions and the recut may need 30 one or more than a recut operation, according to the configuration of the wheel to be produced. 2.2 - Curve, in which the pre rim (152) is prepared for the drilling back operations and conformed in a way as to present a reentering curve longitudinal outline (155). 35 2.3 - Drill back, in which can be expected variours drilling back operations, fold-in or intermidiate staggered (156) and internal extreme flanges (157) and external (158) on the pre rim (152) having a reentering curve outline (155). 403. - Conformation of the disk 3.1 - Draw back, in which the pre disk (154), which will make the disk (101), is conformed and dimensioned (159) according to the project - depending on the configuration of the wheel this draw back may need more than one drawing 45 back operation. 4. - Final Draw Back 4.1 - Draw back, in which the final conformation of the wheel is made. 5. - Calibrate 50 5.1 - Operation, in which the calibration is made, of the concentrencity of the wheel. 6. - Open a central hole, operation in which the opening is made (160) of the central hole (104). 6.2 - Open fixing holes, operation in which the opening is 55 made (161) of the fixing holes (103) of the what on the cube of the vehicle. 6.3 - Open ventilation holes, operation in which the opening (162) is made, of the ventilation holes (102). 6.4 - Open the hole for the valve, operation in which the opening (163) is made, of the hole for fixing the valve (105). 052. - Process of construction, as claimed in claim 1, characterized by the fact of foreseeing, after the first operation of the stage of drawing back, of the conformation of the rim, stage of stretching, in which the section (thickness) and the wideness of the first axial piece 10 (153), which will make the rim (100) of the wheel, are altered. 3 - Process of constructing a wheel, as claimed in claim 1, characterized by the fact that the opening operations (160) of the central hole (104); (161) of the fixing holes (103); 15 (162) of the ventilation holes (102) and (163) of the hole of the valve (105) can be made by any adequate means, as: stamping, cut or others. 4. - Process of constructing a wheel, as claimed in claim 1 or claim 2, characterized by the fact that the opening 20 operation (160) of the central hole (104) expects dressing in order to define the plainicity of the supporting surface and internal diameter of the central hole (104). 5. - Process constructing a wheel, as claimed in claim 1 or claim 2, characterized by the fact the opening operation 25 (161) of the fixing holes (103) expects a recutting to enlarge and cut the fixing holes (103). 6. - Process of constructing a wheel, as claimed in claim 1 or claim 2, characterized by the fact that the opening operation (162) of the ventilation holes (102) expects 30 recutting of the ventilation holes (102). 7. - Process of constructing a wheel, as claimed in claim 1 or claim 2, characterized by the fact that the opening operation (163) of the hole of the valve (105) expects recutting of the hole of the valve (105). 358. - Process of constructing a wheel, as claimed in claim 1, characterized by the fact of being able to expect a specific stage of conformation of the internal flange (157). 9. - Process of constructing a wheel, as claimed in any of 40 the above claims, characterized by the fact that the forming stages of the process of constructing the wheel, depending on the configuration of same and on relating factory to the production mea ε, can have their positions altered in the sequence of operations that make the 45 process, and/or along with other stages and/or be implemented according to other arrangements. 10. - Wheel, obtained in the process as the claims 1 through 9 and essentially formed by: a rim (100) aroud which the tire is assembled and provided with: a hole for 50 the valve (105): regions for supporting the tire, that may have different inclinations in relation to the geometric axle of the wheel and of internal external (158) of contention of the tire and by external disk (101), in which are expected: ventilation opening (102); fixing holes (103) 55 and central hole (104), characterized by the fact that the rim (100) and the disk (101) are in a unique part.

Inventors: ANGELINI RENEE, MOELLER CHRISTEL FRIEDRICH, ANGELINI, RENEE, MOELLER, CHRISTEL, FRIEDRICH
Applicants: ANGELINI RENEE, BORLEM S A EMPREENDIMENTOS IND, MOELLER CHRISTEL FRIEDRICH, ANGELINI, RENEE, BORLEM S/A. EMPREENDIMENTOS INDUSTRIAIS, MOELLER, CHRISTEL, FRIEDRICH
Application year: 1994
Main classification: B21K1
IPC codes: B21D53, B60B3